136594019 has 2 divisors, whose sum is σ = 136594020. Its totient is φ = 136594018.

The previous prime is 136594009. The next prime is 136594057. The reversal of 136594019 is 910495631.

It is an a-pointer prime, because the next prime (136594057) can be obtained adding 136594019 to its sum of digits (38).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 136594019 - 2⁸ = 136593763 is a prime.

It is a super-2 number, since 2×136594019² = 37315852053144722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (136594009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68297009 + 68297010.

It is an arithmetic number, because the mean of its divisors is an integer number (68297010).

Almost surely, 2^136594019 is an apocalyptic number.

136594019 is a deficient number, since it is larger than the sum of its proper divisors (1).

136594019 is an equidigital number, since it uses as much as digits as its factorization.

136594019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29160, while the sum is 38.

The square root of 136594019 is about 11687.3443946861. The cubic root of 136594019 is about 515.0039513317.

The spelling of 136594019 in words is "one hundred thirty-six million, five hundred ninety-four thousand, nineteen".